20101202010011 has 4 divisors (see below), whose sum is σ = 20104050423192. Its totient is φ = 20098353596832.

The previous prime is 20101202009989. The next prime is 20101202010059. The reversal of 20101202010011 is 11001020210102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20101202010011 - 2⁶ = 20101202009947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20101202009974 and 20101202010001.

It is not an unprimeable number, because it can be changed into a prime (20101202040011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1424196005 + ... + 1424210118.

It is an arithmetic number, because the mean of its divisors is an integer number (5026012605798).

Almost surely, 2^{20101202010011} is an apocalyptic number.

20101202010011 is a deficient number, since it is larger than the sum of its proper divisors (2848413181).

20101202010011 is an equidigital number, since it uses as much as digits as its factorization.

20101202010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848413180.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20101202010011 its reverse (11001020210102), we get a palindrome (31102222220113).

The spelling of 20101202010011 in words is "twenty trillion, one hundred one billion, two hundred two million, ten thousand, eleven".